1. He rejoined the subject with sober jocularity. ���Ժ��зִ��ڶг���·���������⡣
2. The unaccountable depression that possessed Philpot deprived him of all his usual jocularity and filled him with melancholy thoughts. һ���������ݵľ�ɥ����ʹ�ƶ�����ʧȥ��ƽʱ����ڶг�ֹ۵��Ը������г�����ˡ�
3. They drove comfortably to Hagaru-ri with Smith in a rare burst of jocularity promising Harris a station wagon of his own in exchange for continued close air support. ������������ص��������������·��ʷ��˹����Ц˵���������˹�ܱ�֤���Ŀ���֧Ԯ�������Լ���Ǯ��һ�����г�������˹��
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n.
1. a feeling facetious merriment
2. fun characterized by humor
3. activity characterized by good humor